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McASP Registers
Table 22-21. Audio Mute Control Register (AMUTE) Field Descriptions (continued)
Bit Field Value Description
5 ROVRN If receiver overrun error (ROVRN), drive AMUTE active enable bit.
0 Drive is disabled. Detection of receiver overrun error is ignored by AMUTE.
1 Drive is enabled (active). Upon detection of receiver overrun error, AMUTE is active and is driven
according to MUTEN bit.
4 INSTAT Determines drive on AXRn pin when PFUNC[n] and PDIR[n] bits are set to 1.
0 AMUTEIN pin is inactive.
1 AMUTEIN pin is active. Audio mute in error is detected.
3 INEN Drive AMUTE active when AMUTEIN error is active (INSTAT = 1).
0 Drive is disabled. AMUTEIN is ignored by AMUTE.
1 Drive is enabled (active). INSTAT = 1 drives AMUTE active.
2 INPOL Audio mute in (AMUTEIN) polarity select bit.
0 Polarity is active high. A high on AMUTEIN sets INSTAT to 1.
1 Polarity is active low. A low on AM UTEIN sets INSTAT to 1.
1-0 MUTEN 0-3h AMUTE pin enable bit (unless overridden by GPIO registers).
0 AMUTE pin is disabled, pin goes to tri-state condition.
1h AMUTE pin is driven high if error is detected.
2h AMUTE pin is driven low if error is detected.
3h Reserved
3845
SPRUH73H–October 2011–Revised April 2013 Multichannel Audio Serial Port (McASP)
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